#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2015-2020, Intel Corporation

#
# src/test/pmem_memmove/TEST0 -- unit test for pmem_memmove
#

. ../unittest/unittest.sh

require_test_type medium

require_fs_type pmem non-pmem

setup

function test() {
	rm -f $DIR/testfile1
	truncate -s 4M $DIR/testfile1
	expect_normal_exit ./pmem_memmove$EXESUFFIX $DIR/testfile1 $@
}

function test_all() {
	# No offset, no overlap
	test b:4096

	# aligned dest, unaligned source, no overlap
	test s:7 b:4096

	# unaligned dest, unaligned source, no overlap
	test d:7 s:13 b:4096

	# all aligned, src overlaps dest
	test b:4096 s:23 o:1

	# unaligned destination
	test b:4096 d:21

	# unaligned source and dest
	test b:4096 d:21 s:7

	# overlap of src, aligned src and dest
	test b:4096 o:1 s:20

	# overlap of src, aligned src, unaligned dest
	test b:4096 d:13 o:1 s:20

	# dest overlaps src, unaligned dest, aligned src
	test b:2048 d:33 o:1

	# dest overlaps src, aligned dest and src
	test b:4096 o:1 d:20

	# aligned dest, no overlap, small length
	test b:8

	# small length, offset 1 byte from 64 byte boundary
	test b:4 d:63

	# overlap, src < dest, small length (ensures a copy backwards,
	# with number of bytes to align < length)
	test o:1 d:2 b:8
}

test_all

export PMEM_AVX512F=0

test_all

export PMEM_AVX=0

test_all

export PMEM_NO_MOVNT=1

test_all

export PMEM_NO_GENERIC_MEMCPY=1

test_all

pass
